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Study of Current Sheets in Three-Dimensional Magnetic Fields with an X-Line by Holographic Interferometry

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Abstract

Results are presented from experimental studies of the spatial electron density distribution in current sheets formed in three-dimensional magnetic configurations with X-lines. The electron density is measured by using two-exposure holographic interferometry. It is shown that plasma sheets can form in a magnetic configuration with an X-line in the presence of a sufficiently strong longitudinal magnetic-field component B when the electric current is excited along the X-line. As the longitudinal magnetic-field component increases, the electron density decreases and the plasma sheet thickness increases; i.e., the plasma is compressed into a sheet less efficiently.

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Bogdanov, S.Y., Markov, V.S., Frank, A.G. et al. Study of Current Sheets in Three-Dimensional Magnetic Fields with an X-Line by Holographic Interferometry. Plasma Phys. Rep. 28, 549–558 (2002). https://doi.org/10.1134/1.1494052

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